44 if (
T.isMacOSX() && !
T.isMacOSXVersionLT(10, 6))
48 if (
T.isiOS() &&
T.isX86())
52 if (
T.isSimulatorEnvironment())
58void MCObjectFileInfo::initMachOMCObjectFileInfo(
const Triple &
T) {
63 "__TEXT",
"__eh_frame",
70 T.isSimulatorEnvironment()))
323#define HANDLE_SWIFT_SECTION(KIND, MACHO, ELF, COFF) \
324 Swift5ReflectionSections \
325 [llvm::binaryformat::Swift5ReflectionSectionKind::KIND] = \
326 Ctx->getMachOSection(Ctx->getSwift5ReflectionSegmentName().data(), \
327 MACHO, 0, SectionKind::getMetadata());
328#include "llvm/BinaryFormat/Swift.def"
334void MCObjectFileInfo::initELFMCObjectFileInfo(
const Triple &
T,
bool Large) {
335 switch (
T.getArch()) {
342 if (PositionIndependent && !Large)
500 ".debug_str.dwo", DebugSecType,
531 Ctx->
getELFSection(
".eh_frame", EHSectionType, EHSectionFlags);
542void MCObjectFileInfo::initGOFFMCObjectFileInfo(
const Triple &
T) {
554void MCObjectFileInfo::initCOFFMCObjectFileInfo(
const Triple &
T) {
648 ".debug_gnu_pubnames",
653 ".debug_gnu_pubtypes",
663 ".debug_str_offsets",
703 ".debug_macinfo.dwo",
743 ".debug_str_offsets.dwo",
834void MCObjectFileInfo::initSPIRVMCObjectFileInfo(
const Triple &
T) {
839void MCObjectFileInfo::initWasmMCObjectFileInfo(
const Triple &
T) {
925void MCObjectFileInfo::initXCOFFMCObjectFileInfo(
const Triple &
T) {
1035void MCObjectFileInfo::initDXContainerObjectFileInfo(
const Triple &
T) {
1043 bool LargeCodeModel) {
1044 PositionIndependent =
PIC;
1066 initMachOMCObjectFileInfo(TheTriple);
1069 initCOFFMCObjectFileInfo(TheTriple);
1072 initELFMCObjectFileInfo(TheTriple, LargeCodeModel);
1075 initGOFFMCObjectFileInfo(TheTriple);
1078 initSPIRVMCObjectFileInfo(TheTriple);
1081 initWasmMCObjectFileInfo(TheTriple);
1084 initXCOFFMCObjectFileInfo(TheTriple);
1087 initDXContainerObjectFileInfo(TheTriple);
1092MCSection *MCObjectFileInfo::getDwarfComdatSection(
const char *
Name,
1097 utostr(Hash),
true);
1109 "format: not implemented.");
1125 GroupName = Group->getName();
1143 GroupName = Group->getName();
1163 GroupName = Group->getName();
1178 const auto &ElfSec =
static_cast<const MCSectionELF &
>(TextSec);
1181 if (
const MCSymbol *Group = ElfSec.getGroup()) {
1182 GroupName = Group->getName();
1187 Flags, 0, GroupName,
true, ElfSec.getUniqueID(),
1206 return Ctx->
getELFSection(S->getName(), S->getType(), Flags,
1208 S->getName() +
"_" + FuncName,
1231 const auto &ElfSec =
static_cast<const MCSectionELF &
>(*TextSec);
1232 if (
const MCSymbol *Group = ElfSec.getGroup()) {
1233 GroupName = Group->getName();
1237 ElfSec.getUniqueID(),
static bool useCompactUnwind(const Triple &T)
This file declares the MCSectionGOFF class, which contains all of the necessary machine code sections...
PassInstrumentationCallbacks PIC
unsigned getCodePointerSize() const
Get the code pointer size in bytes.
static const MCConstantExpr * create(int64_t Value, MCContext &Ctx, bool PrintInHex=false, unsigned SizeInBytes=0)
Context object for machine code objects.
@ GenericSectionID
Pass this value as the UniqueID during section creation to get the generic section with the given nam...
MCSectionMachO * getMachOSection(StringRef Segment, StringRef Section, unsigned TypeAndAttributes, unsigned Reserved2, SectionKind K, const char *BeginSymName=nullptr)
Return the MCSection for the specified mach-o section.
Environment getObjectFileType() const
MCSectionWasm * getWasmSection(const Twine &Section, SectionKind K, unsigned Flags=0)
MCSectionELF * getELFSection(const Twine &Section, unsigned Type, unsigned Flags)
const StringRef & getSwift5ReflectionSegmentName() const
MCSectionXCOFF * getXCOFFSection(StringRef Section, SectionKind K, std::optional< XCOFF::CsectProperties > CsectProp=std::nullopt, bool MultiSymbolsAllowed=false, const char *BeginSymName=nullptr, std::optional< XCOFF::DwarfSectionSubtypeFlags > DwarfSubtypeFlags=std::nullopt)
const MCAsmInfo * getAsmInfo() const
MCSectionCOFF * getCOFFSection(StringRef Section, unsigned Characteristics, SectionKind Kind, StringRef COMDATSymName, int Selection, unsigned UniqueID=GenericSectionID, const char *BeginSymName=nullptr)
MCSectionDXContainer * getDXContainerSection(StringRef Section, SectionKind K)
Get the section for the provided Section name.
MCSectionSPIRV * getSPIRVSection()
EmitDwarfUnwindType emitDwarfUnwindInfo() const
MCSectionGOFF * getGOFFSection(StringRef Section, SectionKind Kind, MCSection *Parent, const MCExpr *SubsectionId)
const Triple & getTargetTriple() const
MCSection * NonLazySymbolPointerSection
MCSection * TLSBSSSection
Section directive for Thread Local uninitialized data.
MCSection * DwarfDebugNamesSection
Accelerator table sections.
MCSection * DwarfAddrSection
const MCSection * TLSThreadInitSection
Section for thread local data initialization functions.
MCSection * GEHContSection
MCSection * DwarfStrOffSection
The DWARF v5 string offset and address table sections.
MCSection * DwarfARangesSection
MCSection * DwarfStrSection
MCSection * MergeableConst16Section
MCSection * COFFGlobalTypeHashesSection
MCSection * DwarfLocDWOSection
MCSection * MergeableConst4Section
MCSection * DwarfMacinfoSection
MCSection * DwarfPubNamesSection
MCSection * DwarfGnuPubTypesSection
Section for newer gnu pubtypes.
MCSection * getLLVMStatsSection() const
MCSection * DwarfCUIndexSection
MCSection * TextSection
Section directive for standard text.
MCSection * ConstDataCoalSection
MCSection * LLVMStatsSection
MCSection * ConstTextCoalSection
MCSection * TLSDataSection
Section directive for Thread Local data. ELF, MachO, COFF, and Wasm.
MCSection * MergeableConst8Section
MCSection * AddrSigSection
MCSection * DwarfInfoSection
MCSection * ThreadLocalPointerSection
MCSection * LSDASection
If exception handling is supported by the target, this is the section the Language Specific Data Area...
MCSection * CompactUnwindSection
If exception handling is supported by the target and the target can support a compact representation ...
MCSection * COFFDebugSymbolsSection
MCSection * DwarfStrDWOSection
MCSection * getPseudoProbeDescSection(StringRef FuncName) const
MCSection * DwarfLoclistsSection
The DWARF v5 locations list section.
MCSection * ReadOnly16Section
MCSection * DwarfLocSection
MCSection * PseudoProbeSection
Section for pseudo probe information used by AutoFDO.
MCSection * FourByteConstantSection
MCSection * DwarfAccelNamesSection
MCSection * ReadOnly8Section
MCSection * getStackSizesSection(const MCSection &TextSec) const
MCSection * DwarfRnglistsSection
The DWARF v5 range list section.
const MCSection * DwarfDebugInlineSection
MCSection * DataBSSSection
MCSection * DwarfAbbrevDWOSection
MCSection * getBBAddrMapSection(const MCSection &TextSec) const
MCSection * COFFDebugTypesSection
MCSection * LazySymbolPointerSection
MCSection * RemarksSection
Remarks section.
MCSection * getPseudoProbeSection(const MCSection &TextSec) const
MCSection * TextCoalSection
MCSection * PseudoProbeDescSection
MCSection * DwarfPubTypesSection
MCSection * DwarfRangesSection
MCSection * DwarfStrOffDWOSection
MCSection * TLSExtraDataSection
Extra TLS Variable Data section.
MCSection * DataRelROSection
MCSection * EHFrameSection
EH frame section.
bool OmitDwarfIfHaveCompactUnwind
OmitDwarfIfHaveCompactUnwind - True if the target object file supports having some functions with com...
MCSection * CStringSection
MCSection * DrectveSection
COFF specific sections.
MCSection * FaultMapSection
FaultMap section.
MCSection * getKCFITrapSection(const MCSection &TextSec) const
MCSection * DwarfAccelObjCSection
MCSection * TLSTLVSection
Section for thread local structure information.
MCSection * DwarfSwiftASTSection
MCSection * DwarfMacroSection
void initMCObjectFileInfo(MCContext &MCCtx, bool PIC, bool LargeCodeModel=false)
MCSection * DataCoalSection
MCSection * DwarfFrameSection
MCSection * SXDataSection
MCSection * UStringSection
MCSection * DwarfRnglistsDWOSection
The DWARF v5 range and location list sections for fission.
MCSection * MergeableConst32Section
MCSection * SixteenByteConstantSection
virtual ~MCObjectFileInfo()
MCSection * DataCommonSection
MCSection * getPCSection(StringRef Name, const MCSection *TextSec) const
MCSection * DwarfLineStrSection
bool SupportsCompactUnwindWithoutEHFrame
True if the target object file supports emitting a compact unwind section without an associated EH fr...
MCSection * ReadOnlySection
Section that is readonly and can contain arbitrary initialized data.
MCSection * DwarfLineDWOSection
MCSection * DwarfAbbrevSection
MCSection * DwarfLineSection
MCSection * TOCBaseSection
unsigned FDECFIEncoding
FDE CFI encoding.
MCSection * DwarfTUIndexSection
bool SupportsWeakOmittedEHFrame
True if target object file supports a weak_definition of constant 0 for an omitted EH frame.
MCSection * DwarfLoclistsDWOSection
MCSection * DwarfInfoDWOSection
MCSection * BSSSection
Section that is default initialized to zero.
MCSection * EightByteConstantSection
MCSection * StackSizesSection
Section containing metadata on function stack sizes.
unsigned CompactUnwindDwarfEHFrameOnly
Compact unwind encoding indicating that we should emit only an EH frame.
MCSection * getTextSection() const
MCSection * DwarfTypesDWOSection
MCSection * DwarfGnuPubNamesSection
Section for newer gnu pubnames.
MCSection * ConstDataSection
MCSection * StackMapSection
StackMap section.
MCSection * DwarfMacroDWOSection
MCSection * DwarfMacinfoDWOSection
MCSection * DwarfAccelNamespaceSection
MCSection * DwarfAccelTypesSection
MCSection * DataSection
Section directive for standard data.
This represents a section on linux, lots of unix variants and some bare metal systems.
unsigned getUniqueID() const
const MCSymbolELF * getGroup() const
Instances of this class represent a uniqued identifier for a section in the current translation unit.
void setAlignment(Align Value)
StringRef getName() const
MCSymbol * getBeginSymbol()
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
static SectionKind getThreadData()
static SectionKind getMetadata()
static SectionKind getMergeable2ByteCString()
static SectionKind getMergeableConst4()
static SectionKind getText()
static SectionKind getReadOnlyWithRel()
static SectionKind getData()
static SectionKind getMergeableConst8()
static SectionKind getBSS()
static SectionKind getThreadBSS()
static SectionKind getMergeableConst16()
static SectionKind getMergeable1ByteCString()
static SectionKind getReadOnly()
StringRef - Represent a constant reference to a string, i.e.
constexpr bool empty() const
empty - Check if the string is empty.
Triple - Helper class for working with autoconf configuration names.
bool isPS4() const
Tests whether the target is the PS4 platform.
ObjectFormatType getObjectFormat() const
Get the object format for this triple.
bool supportsCOMDAT() const
Tests whether the target supports comdat.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
@ IMAGE_SCN_CNT_UNINITIALIZED_DATA
@ IMAGE_SCN_MEM_DISCARDABLE
@ IMAGE_SCN_CNT_INITIALIZED_DATA
@ S_THREAD_LOCAL_VARIABLE_POINTERS
S_THREAD_LOCAL_VARIABLE_POINTERS - Section with pointers to thread local structures.
@ S_16BYTE_LITERALS
S_16BYTE_LITERALS - Section with only 16 byte literals.
@ S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local variable initialization pointers to...
@ S_COALESCED
S_COALESCED - Section contains symbols that are to be coalesced.
@ S_THREAD_LOCAL_ZEROFILL
S_THREAD_LOCAL_ZEROFILL - Thread local zerofill section.
@ S_LAZY_SYMBOL_POINTERS
S_LAZY_SYMBOL_POINTERS - Section with lazy symbol pointers.
@ S_CSTRING_LITERALS
S_CSTRING_LITERALS - Section with literal C strings.
@ S_THREAD_LOCAL_REGULAR
S_THREAD_LOCAL_REGULAR - Thread local data section.
@ S_ZEROFILL
S_ZEROFILL - Zero fill on demand section.
@ S_NON_LAZY_SYMBOL_POINTERS
S_NON_LAZY_SYMBOL_POINTERS - Section with non-lazy symbol pointers.
@ S_4BYTE_LITERALS
S_4BYTE_LITERALS - Section with 4 byte literals.
@ S_8BYTE_LITERALS
S_8BYTE_LITERALS - Section with 8 byte literals.
@ S_THREAD_LOCAL_VARIABLES
S_THREAD_LOCAL_VARIABLES - Section with thread local variable structure data.
@ S_ATTR_DEBUG
S_ATTR_DEBUG - A debug section.
@ S_ATTR_NO_TOC
S_ATTR_NO_TOC - Section contains coalesced symbols that are not to be in a ranlib table of contents.
@ S_ATTR_LIVE_SUPPORT
S_ATTR_LIVE_SUPPORT - Blocks are live if they reference live blocks.
@ S_ATTR_PURE_INSTRUCTIONS
S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine instructions.
@ S_ATTR_STRIP_STATIC_SYMS
S_ATTR_STRIP_STATIC_SYMS - Ok to strip static symbols in this section in files with the MY_DYLDLINK f...
@ SSUBTYP_DWARNGE
DWARF aranges section.
@ SSUBTYP_DWFRAME
DWARF frame section.
@ SSUBTYP_DWABREV
DWARF abbrev section.
@ SSUBTYP_DWINFO
DWARF info section.
@ SSUBTYP_DWRNGES
DWARF ranges section.
@ SSUBTYP_DWLOC
DWARF loc section.
@ SSUBTYP_DWMAC
DWARF macinfo section.
@ SSUBTYP_DWPBNMS
DWARF pubnames section.
@ SSUBTYP_DWPBTYP
DWARF pubtypes section.
@ SSUBTYP_DWLINE
DWARF line section.
@ SSUBTYP_DWSTR
DWARF str section.
@ XMC_TC0
TOC Anchor for TOC Addressability.
@ XMC_TL
Initialized thread-local variable.
@ XMC_RO
Read Only Constant.
@ XTY_SD
Csect definition for initialized storage.
This is an optimization pass for GlobalISel generic memory operations.
void report_fatal_error(Error Err, bool gen_crash_diag=true)
Report a serious error, calling any installed error handler.
This struct is a compact representation of a valid (non-zero power of two) alignment.